/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/altair/utils/core.py:317: FutureWarning: iteritems is deprecated and will be removed in a future version. Use .items instead.
for col_name, dtype in df.dtypes.iteritems():/opt/hostedtoolcache/Python/3.10.8/x64/lib/python3.10/site-packages/altair/utils/core.py:317: FutureWarning: iteritems is deprecated and will be removed in a future version. Use .items instead.
for col_name, dtype in df.dtypes.iteritems():